6ec8602d6cd8a33f9c7b9751d07500075c18fd2c79218c71e65c5cf634e6f5f1

Analysis

max time kernel
156s
max time network
161s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
21/10/2022, 03:56

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General

Target

6ec8602d6cd8a33f9c7b9751d07500075c18fd2c79218c71e65c5cf634e6f5f1.exe
Size

122KB
MD5

6019893ce5fba443f6958a172f4224ee
SHA1

a960bd06134b35db5c4380e1fd4b71153c06c428
SHA256

6ec8602d6cd8a33f9c7b9751d07500075c18fd2c79218c71e65c5cf634e6f5f1
SHA512

05fd47c31e55345e0b16b4382b8faa3781782680c1d7f0c2216e954bc81f69e7549ff2f4a03f22b44dd28050bbfe296f81fb181c416c7d058a00edbcf11241df
SSDEEP

1536:WlxELT9H+rzvSBElT7iTOV94vzW4Uh85Z6xRPB:Wlif9e3aBEgfvvSRJ

Score

8^/10

evasion persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1060	syr.exe

Modifies Windows Firewall 1 TTPs 1 IoCs

evasion

Modify Existing Service

T1031

pid	Process
3180	netsh.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation	6ec8602d6cd8a33f9c7b9751d07500075c18fd2c79218c71e65c5cf634e6f5f1.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\1095b101fabd1813e31dce791169cd82.exe	syr.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\1095b101fabd1813e31dce791169cd82.exe	syr.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\1095b101fabd1813e31dce791169cd82 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\syr.exe\" .."	syr.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\1095b101fabd1813e31dce791169cd82 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\syr.exe\" .."	syr.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 23 IoCs

pid	Process
1060	syr.exe
1060	syr.exe
1060	syr.exe
1060	syr.exe
1060	syr.exe
1060	syr.exe
1060	syr.exe
1060	syr.exe
1060	syr.exe
1060	syr.exe
1060	syr.exe
1060	syr.exe
1060	syr.exe
1060	syr.exe
1060	syr.exe
1060	syr.exe
1060	syr.exe
1060	syr.exe
1060	syr.exe
1060	syr.exe
1060	syr.exe
1060	syr.exe
1060	syr.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1060	syr.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 4864 wrote to memory of 1060	4864	6ec8602d6cd8a33f9c7b9751d07500075c18fd2c79218c71e65c5cf634e6f5f1.exe	82
PID 4864 wrote to memory of 1060	4864	6ec8602d6cd8a33f9c7b9751d07500075c18fd2c79218c71e65c5cf634e6f5f1.exe	82
PID 1060 wrote to memory of 3180	1060	syr.exe	83
PID 1060 wrote to memory of 3180	1060	syr.exe	83

C:\Users\Admin\AppData\Local\Temp\6ec8602d6cd8a33f9c7b9751d07500075c18fd2c79218c71e65c5cf634e6f5f1.exe
"C:\Users\Admin\AppData\Local\Temp\6ec8602d6cd8a33f9c7b9751d07500075c18fd2c79218c71e65c5cf634e6f5f1.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4864
- C:\Users\Admin\AppData\Local\Temp\syr.exe
  "C:\Users\Admin\AppData\Local\Temp\syr.exe"
  2⤵
  - Executes dropped EXE
  - Drops startup file
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1060
- - C:\Windows\SYSTEM32\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\syr.exe" "syr.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    PID:3180

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Modify Existing Service

T1031

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\syr.exe

Filesize
122KB

MD5
6019893ce5fba443f6958a172f4224ee

SHA1
a960bd06134b35db5c4380e1fd4b71153c06c428

SHA256
6ec8602d6cd8a33f9c7b9751d07500075c18fd2c79218c71e65c5cf634e6f5f1

SHA512
05fd47c31e55345e0b16b4382b8faa3781782680c1d7f0c2216e954bc81f69e7549ff2f4a03f22b44dd28050bbfe296f81fb181c416c7d058a00edbcf11241df

Download Submit
C:\Users\Admin\AppData\Local\Temp\syr.exe

Filesize
122KB

MD5
6019893ce5fba443f6958a172f4224ee

SHA1
a960bd06134b35db5c4380e1fd4b71153c06c428

SHA256
6ec8602d6cd8a33f9c7b9751d07500075c18fd2c79218c71e65c5cf634e6f5f1

SHA512
05fd47c31e55345e0b16b4382b8faa3781782680c1d7f0c2216e954bc81f69e7549ff2f4a03f22b44dd28050bbfe296f81fb181c416c7d058a00edbcf11241df

Download Submit
memory/1060-138-0x00007FFA67920000-0x00007FFA683E1000-memory.dmp

Filesize
10.8MB

Download
memory/1060-140-0x00007FFA67920000-0x00007FFA683E1000-memory.dmp

Filesize
10.8MB

Download
memory/4864-132-0x0000000000EF0000-0x0000000000F14000-memory.dmp

Filesize
144KB

Download
memory/4864-133-0x00007FFA67920000-0x00007FFA683E1000-memory.dmp

Filesize
10.8MB

Download
memory/4864-137-0x00007FFA67920000-0x00007FFA683E1000-memory.dmp

Filesize
10.8MB

Download